Kohler's Medizinal-Pflanzen in naturgetreuen Abbildungen mit kurz erlauterndem Texte :.Gera-Untermhaus :Fr. Eugen Kohler,[1883-1914].biodiversitylibrary.org/page/303638
Native to southern Mexico and Guatemala, but widely planted and naturalized as the source of nutritious Chia seeds. Photo from a dusty roadside in Costa Rica..